<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Kaleidoscope</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <main class="viewport" aria-label="Animated CSS-only kaleidoscope">
        <div class="scope">
            <div class="layer l1"></div>
            <div class="layer l2"></div>
            <div class="layer l3"></div>
            <div class="grain"></div>
        </div>
    </main>
</body>

</html>